Year: 1996
Make: Chevy
Model: c1500
Engine Size: 305
Refrigerant Type: 134a
Ambient Temp: 83
Pressure Low: 43
Pressure High: 175
Country of Origin: United States
Hello everyone,
I just flushed my system and replaced the stock HT-6 with Sanden's replacement. While charging, something happened on the high side. At about 243 PSI, the needle dropped down to around 175 psi and never really got much higher than that afterwards. Low side was around 43 PSI after that. All said and done, the A/C cools but not anywhere near what I was expecting. Temp at the time of charge was 83F. Ideas?
Thanks!
Ross
Did you remove the O tube before flushing? sounds like it either moved, or is allowing refrigerant past it, or is clogged and the refrigerant is pooling in the condenser if the service port is after it....
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Chick
Email: Chick
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Freedoms just another word for nothing left to lose
Yeah, I removed the tube before flushing. I "rinsed" the condenser out before back flushing it because of the large metal fragments at the exit. The idea of some trash clogging the tube does sound intriguing though no reclamation machine is readily available to me. It makes sense that what the flush didn't loosen up, the refrigerant might have. I don't know how much of an indicator this is but the high side gets hot enough to burn you and the low side sweats like crazy....what metal is exposed is almost completely covered in water beads and very cold to the touch, though not freezing.
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